Best Book Size for Amazon KDP — Proven trim sizes that sell
Best book size for Amazon KDP: Proven trim sizes that sell Estimated reading time: 7 minutes 6″ x 9″ is the most versatile trim for readability, cost, and discoverability. Choose trim to match genre and interior content — smaller for novels, larger for image-led nonfiction and children’s books. Follow KDP rules for bleed, margins, and…
